summaryrefslogtreecommitdiff
path: root/src/journal.h
blob: 1b5607cc4bbd6d4b877a294e6985506a99ca73b3 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
/*
 * Copyright (c) 2003-2009, John Wiegley.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 *
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 *
 * - Neither the name of New Artisans LLC nor the names of its
 *   contributors may be used to endorse or promote products derived from
 *   this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/**
 * @addtogroup data
 */

/**
 * @file   journal.h
 * @author John Wiegley
 *
 * @ingroup data
 *
 * @brief Brief
 *
 * Long.
 */
#ifndef _JOURNAL_H
#define _JOURNAL_H

#include "utils.h"
#include "hooks.h"
#include "entry.h"

namespace ledger {

typedef std::list<path>	paths_list;

class session_t;
class account_t;

/**
 * @brief Brief
 *
 * Long.
 */
class journal_t : public noncopyable
{
public:
  account_t *	 master;
  account_t *	 basket;
  entries_list	 entries;
  paths_list	 sources;
  optional<path> price_db;

  auto_entries_list    auto_entries;
  period_entries_list  period_entries;

  hooks_t<entry_finalizer_t, entry_t> entry_finalize_hooks;

  journal_t(account_t * _master = NULL) : master(_master) {
    TRACE_CTOR(journal_t, "");
  }
  ~journal_t();

  // These four methods are delegated to the current session, since all
  // accounts processed are gathered together at the session level.
  void	      add_account(account_t * acct);
  bool	      remove_account(account_t * acct);
  account_t * find_account(const string& name, bool auto_create = true);
  account_t * find_account_re(const string& regexp);

  bool add_entry(entry_t * entry);
  bool remove_entry(entry_t * entry);

  void add_entry_finalizer(entry_finalizer_t * finalizer) {
    entry_finalize_hooks.add_hook(finalizer);
  }
  void remove_entry_finalizer(entry_finalizer_t * finalizer) {
    entry_finalize_hooks.remove_hook(finalizer);
  }

  /**
   * @brief Provides an abstract interface for writing journal parsers.
   *
   * Any data format for Ledger data is possible, as long as it can be parsed
   * into a journal_t data tree.  This class provides the basic interface which
   * must be implemented by every such journal parser.
   */
  class parser_t : public noncopyable
  {
  public:
    parser_t() {
      TRACE_CTOR(journal_t::parser_t, "");
    }
    virtual ~parser_t() {
      TRACE_DTOR(journal_t::parser_t);
    }

#if defined(TEST_FOR_PARSER)
    virtual bool test(std::istream& in) const = 0;
#endif

    virtual std::size_t parse(std::istream& in,
			      session_t&    session,
			      journal_t&    journal,
			      account_t *   master        = NULL,
			      const path *  original_file = NULL) = 0;
  };

  bool valid() const;
};

extern const string version;

} // namespace ledger

#endif // _JOURNAL_H